湖南不同季别稻作系统的生态能值分析
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周江,向平安
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Ecological Emergy Analysis of Different Paddy Ecosystems in Hunan Province
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ZHOU Jiang,XIANG PingAn
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表3 2002—2016年湖南稻田生态系统主要购买能值投入结构表
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Table 3 The main purchasing emergy input structure of paddy ecosystem in Hunan Province from 2002 to 2016 (%)
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项目 Item | 2002 | 2004 | 2006 | 2008 | 2010 | 2012 | 2014 | 2016 | 早稻 Early rice | 中稻 Semilate rice | 晚稻 Late rice | 早稻 Early rice | 中稻 Semilate rice | 晚稻 Late rice | 早稻 Early rice | 中稻 Semilate rice | 晚稻 Late rice | 早稻 Early rice | 中稻 Semilate rice | 晚稻 Late rice | 早稻 Early rice | 中稻 Semilate rice | 晚稻 Late rice | 早稻 Early rice | 中稻 Semilate rice | 晚稻 Late rice | 早稻 Early rice | 中稻 Semilate rice | 晚稻 Late rice | 早稻 Early rice | 中稻 Semilate rice | 晚稻 Late rice | 机械 Machinery | 4.32 | 4.04 | 5.94 | 6.01 | 8.92 | 7.57 | 12.32 | 14.24 | 16.19 | 24.49 | 24.89 | 26.82 | 31.77 | 27.36 | 35.03 | 41.91 | 30.02 | 43.37 | 44.43 | 40.37 | 47.16 | 43.13 | 45.28 | 45.24 | 化肥 Chemical fertilizer | 25.95 | 28.03 | 26.3 | 21.42 | 28.34 | 24.27 | 24.95 | 28.57 | 25.96 | 23.2 | 24.65 | 24.66 | 24.1 | 20.53 | 24.3 | 21.29 | 22.83 | 22.23 | 21.51 | 22.26 | 22.14 | 23.8 | 25.12 | 25.7 | 农药 Pesticide | 0.68 | 1.27 | 1.17 | 0.98 | 1.77 | 1.57 | 1.38 | 2.01 | 2.24 | 1.1 | 1.17 | 1.71 | 1.13 | 1.29 | 1.67 | 1.21 | 1.46 | 1.86 | 1.24 | 1.56 | 1.56 | 1.35 | 1.71 | 1.81 | 燃料 Fuel | 1.14 | 1.11 | 0.57 | 0.93 | 0.04 | 0.85 | 0.62 | 0.01 | 0.4 | 0.68 | 0.43 | 0.43 | 0.48 | 0.38 | 0.58 | 0.61 | 0.45 | 0.67 | 0.91 | 0.64 | 0.81 | 1.09 | 0.8 | 0.84 | 人工 Labor | 55.12 | 56.76 | 58.97 | 55.81 | 53.28 | 55.82 | 46.96 | 47.76 | 47.03 | 36.41 | 36.14 | 37.94 | 29.83 | 37.04 | 32.05 | 25.33 | 30.68 | 27.19 | 22.03 | 25.33 | 24.03 | 21.71 | 20.96 | 22.65 | 畜力 Animal power | 5.31 | 5.8 | 3.4 | 7.24 | 4 | 5.95 | 7.03 | 4.68 | 4.41 | 6.55 | 9.34 | 4.54 | 4.53 | 10.37 | 2.51 | 1.82 | 12.41 | 1.16 | 2.15 | 8.29 | 0.4 | 0.61 | 4.24 | 0.15 | 种子 Seed | 5.06 | 1.42 | 1.92 | 4.93 | 2.01 | 2.49 | 5.04 | 1.51 | 2.28 | 5.81 | 1.63 | 2.93 | 6.51 | 1.44 | 2.78 | 7 | 1.24 | 2.85 | 7.28 | 1.21 | 3.46 | 7.84 | 1.53 | 3.34 | 有机肥 Organic fertilizer | 2.27 | 1.57 | 1.71 | 2.59 | 1.63 | 1.46 | 1.62 | 1.2 | 1.49 | 1.7 | 1.74 | 0.98 | 1.59 | 1.59 | 1.09 | 0.79 | 0.93 | 0.68 | 0.41 | 0.34 | 0.44 | 0.43 | 0.35 | 0.27 |
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